Plugins page in BWSI session has unnecessary and misleading UI components

chrome/chrome_browser.gypi

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 3656 matching lines @@
         'browser/ui/webui/chromeos/mobile_setup_ui.cc',
         'browser/ui/webui/chromeos/mobile_setup_ui.h',
         'browser/ui/webui/chromeos/proxy_settings_ui.cc',
         'browser/ui/webui/chromeos/proxy_settings_ui.h',
         'browser/ui/webui/chromeos/register_page_ui.cc',
         'browser/ui/webui/chromeos/register_page_ui.h',
         'browser/ui/webui/chromeos/sim_unlock_ui.cc',
         'browser/ui/webui/chromeos/sim_unlock_ui.h',
         'browser/ui/webui/chromeos/system_info_ui.cc',
         'browser/ui/webui/chromeos/system_info_ui.h',
+        'browser/ui/webui/chromeos/ui_account_tweaks.cc',
+        'browser/ui/webui/chromeos/ui_account_tweaks.h',
         'browser/ui/webui/constrained_html_ui.cc',
         'browser/ui/webui/constrained_html_ui.h',
         'browser/ui/webui/constrained_html_ui_delegate_impl.cc',
         'browser/ui/webui/constrained_html_ui_delegate_impl.h',
         'browser/ui/webui/cookies_tree_model_util.cc',
         'browser/ui/webui/cookies_tree_model_util.h',
         'browser/ui/webui/crashes_ui.cc',
         'browser/ui/webui/crashes_ui.h',
         'browser/ui/webui/devtools_ui.cc',
         'browser/ui/webui/devtools_ui.h',
@@ skipping 1546 matching lines @@
       'type': 'static_library',
       'sources': [ 'browser/history/in_memory_url_index_cache.proto' ],
       'variables': {
         'proto_in_dir': 'browser/history',
         'proto_out_dir': 'chrome/browser/history',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }